Définitions
1.NounA state of floating, or being afloat.
2.NounThe ability (as of a tire or snowshoes) to stay on the surface of soft ground or snow.
3.NounA process of separating minerals by agitating a mixture with water and detergents etc; selected substances being carried to the surface in air bubbles.
4.NounThe launching onto the market of a tranche of stocks or shares, usually a new issue.